Visit the website of the Belastingdienst (Dutch tax office), download the official program (available for MAC, Windows & Linux) and fill in the key numbers mentioned above (Gross salary, tax and insurance contributions as well as tax credits) in the Werk en woning section (left sidebar).

Alternatively, first fill in your personal data and income details and then press Overzicht before sending your form to the Dutch tax office. The box next to Te betalen will specify whether you qualify for a tax return or you are obliged to pay a supplementary amount.

Enter your digital signature and a notification form (receipt) will be sent to you a few days later.

Note that the above procedure is based on the hypothesis that you have not bought a house or have other sources of income apart from your main work.

Facts & Tips about the annual Dutch tax form

The Dutch tax rate system is one of the highest in Europe.

The whole procedure must be completed by April 1. Nevertheless, extensions are possible.